Herbicide label
Refer 280 SL Herbicide Label
Refer 280 SL (EPA 82534-4-88783) is a Group 10 glufosinate herbicide labeled for 9 crops. The label lists 121 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Refer® 280 SL is a non-selective herbicide.”
Refer 280 SL label facts
- Product Refer 280 SL
- EPA Reg. No. 82534-4-88783
- Distributor Summit Agro USA LLC
- Active ingredient glufosinate
- MOA group 10
Crops on the Refer 280 SL label
Refer 280 SL is labeled for these 9 crops and uses, per the EPA label.
Weeds on the Refer 280 SL label
The Refer 280 SL label names 131 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control121- alfalfa
- amaranth, palmer
- anoda, spurred
- barley
- barnyardgrass, common
- bedstraw, catchweed
- beggarweed, florida
- bermudagrass
- bindweed, field
- bindweed, hedge
- black medic
- bluegrass, annual
- bluegrass, kentucky
- blueweed, texas
- bromegrass, smooth
- buckwheat, wild
- buffalobur
- burcucumber
- burdock
- volunteer canola
- carpetweed
- chickweed, common
- chickweed, mouseear
- clover, red
- cocklebur, common
- copperleaf, hophornbeam
- corn, volunteer
- crabgrass, large
- crabgrass, smooth
- croton, tropic
- croton, woolly
- cupgrass, woolly
- dandelion
- devil's claw
- dock, smooth
- eclipta
- fleabane, annual
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, robust purple
- foxtail, yellow
- galinsoga, hairy
- galinsoga, small flower
- geranium, cutleaf
- goosegrass
- groundcherry, cutleaf
- hempnettle
- horsenettle
- jimsonweed
- rhizome johnsongrass
- johnsongrass, seedling
- junglerice
- knotweed
- kochia
- ladysthumb
- lambsquarters, common
- mallow, common
- mallow, venice
- marshelder, annual
- millet, proso volunteer
- millet, wild-proso
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, sharppod
- morningglory, smallflower
- morningglory, tall
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nightshade, silverleaf
- wild oats
- orchardgrass
- panicum, fall
- panicum, texas
- pennycress, field
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- pigweed, tumble
- poinsettia, wild
- pokeweed, common
- puncturevine
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- red rice
- rice, volunteer
- sandbur, field
- senna coffee
- sesbania, hemp
- shattercane
- shepherd's-purse
- sicklepod
- sida, prickly
- signalgrass, broadleaf
- smartweed, pennsylvania
- smellmelon
- sorghum, volunteer
- sowthistle, annual
- sowthistle, perennial
- sprangletop
- spurge, prostrate
- spurge, spotted
- starbur, bristly
- stinkgrass
- sunflower, annual
- sunflower, prairie
- sunflower
- thistle, bull
- thistle, canada
- thistle, russian
- velvetleaf
- waterhemp, common
- volunteer wheat
- witchgrass
- wormwood, biennial
Suppression
suppression10- dogbane, hemp
- goldenrod, gray
- horseweed
- milkweed, common
- milkweed, honeyvine
- muhly, wirestem
- nutsedge, purple
- nutsedge, yellow
- quackgrass
- timothy
Refer 280 SL rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
Refer 280 SL FAQ
What weeds does Refer 280 SL control?
The Refer 280 SL label names 131 weeds, including alfalfa, palmer amaranth, spurred anoda, barley, common barnyardgrass, and catchweed bedstraw. Control varies by crop, rate, and timing.
What crops is Refer 280 SL labeled for?
Refer 280 SL is labeled for 9 crops and uses, including field corn, soybeans, cotton, sugar beet, and canola.
What is the active ingredient in Refer 280 SL? Is it a generic?
Refer 280 SL's active ingredient is glufosinate (MOA Group 10). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-30.